Home / 1,993.19-2,985.14-1,923.98

Finding the Fourth Proportional to 1,993.19, 2,985.14 and 1,923.98

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Solution

The fourth proportional to 1,993.19, 2,985.14 and 1,923.98 is: 2,881.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,993.19 : 2,985.14 = 1,923.98 : x
  2. Step 2: Convert to fraction form
    1,993.19/2,985.14 = 1,923.98/x
  3. Step 3: Cross multiply
    1,993.19x = 2,985.14 × 1,923.98
  4. Step 4: Simplify right side
    1,993.19x = 5,743,339.54
  5. Step 5: Solve for x
    x = 5,743,339.54/1,993.19
  6. Step 6: Final answer
    x = 2,881.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.